Home / 12,449.36-18,669.96-4,550.06

Finding the Fourth Proportional to 12,449.36, 18,669.96 and 4,550.06

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Solution

The fourth proportional to 12,449.36, 18,669.96 and 4,550.06 is: 6,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.36 : 18,669.96 = 4,550.06 : x
  2. Step 2: Convert to fraction form
    12,449.36/18,669.96 = 4,550.06/x
  3. Step 3: Cross multiply
    12,449.36x = 18,669.96 × 4,550.06
  4. Step 4: Simplify right side
    12,449.36x = 84,949,438.20
  5. Step 5: Solve for x
    x = 84,949,438.20/12,449.36
  6. Step 6: Final answer
    x = 6,823.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.